Anti-fatigue mat



FIG. 1 is a perspective view of the anti-fatigue mat, showing my newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a rear side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken line portion of the figure drawings is included to showportions of the mat that forms no part of the claimed design.

CLAIM The ornamental design for an anti-fatigue mat, as shown anddescribed.